计算下面各题,怎样简便就怎样算.920×13÷6514÷23÷7825×47+35÷7413+3÷3236÷(35÷110)25÷815×110.-数学

题目简介

计算下面各题,怎样简便就怎样算.920×13÷6514÷23÷7825×47+35÷7413+3÷3236÷(35÷110)25÷815×110.-数学

题目详情

计算下面各题,怎样简便就怎样算.
9
20
×
1
3
÷
6
5
1
4
÷
2
3
÷
7
8
2
5
×
4
7
+
3
5
÷
7
4
1
3
+3÷
3
2
36÷(
3
5
÷
1
10
2
5
÷
8
15
×
1
10
题型:解答题难度:中档来源:不详

答案

(1)class="stub"9
20
×class="stub"1
3
÷class="stub"6
5

=class="stub"3
20
×class="stub"5
6

=class="stub"1
8


(2)class="stub"1
4
÷class="stub"2
3
÷class="stub"7
8

=class="stub"1
4
×class="stub"3
2
×class="stub"8
7

=class="stub"3
7


(3)class="stub"2
5
×class="stub"4
7
+class="stub"3
5
÷class="stub"7
4

=class="stub"2
5
×class="stub"4
7
+class="stub"3
5
×class="stub"4
7

=(class="stub"2
5
+class="stub"3
5
)×class="stub"4
7

=1×class="stub"4
7

=class="stub"4
7


(4)class="stub"1
3
+3÷class="stub"3
2

=class="stub"1
3
+3×class="stub"2
3

=class="stub"1
3
+2,
=2class="stub"1
3


(5)36÷(class="stub"3
5
÷class="stub"1
10

=36÷(class="stub"3
5
×10),
=36÷6,
=6;

(6)class="stub"2
5
÷class="stub"8
15
×class="stub"1
10

=class="stub"2
5
×class="stub"15
8
×class="stub"1
10

=class="stub"3
40

更多内容推荐